COMPOSITION CHIMIQUE DES ANDESITES KAKUTO ET DU TUF SOUDE KAKUTOOTA R.1977; BULL. GEOL. SURV. JAP.; JAP.; DA. 1977; VOL. 28; NO 2; PP. 73-79; ABS. ANGL.; BIBL. 18 REF.; 4 ILL.; 11 ANAL.Article

GEOLOGIE DE LA REGION DE SENDAI. 1/50000.OTA R.1971; GEOL. SURV. JAP., MAP; JPN; 1971, NUM. 0080, P. 1 A 28Miscellaneous

VISCOSITE DU LIQUIDUS ET DOMAINES DE VITRIFICATION DANS LE SYSTEME B₂O₃-NA₂OOTA R; SOGA N.1981; J. CERAM. SOC. JPN.; ISSN 0009-0255; JPN; DA. 1981; VOL. 89; NO 1028; PP. 218-220; BIBL. 7 REF.Article

GEOLOGIE DU DISTRICT MIYAKONOJOKINO Y; OTA R.1977; GEOL. SURV. JAP., MAP, 1:50000; JAP.; DA. 1977; PP. 1-45; H.T. 3; ABS. ANGL.; BIBL. 2 P. 1/2; 30 ILL.; 1 CART.Serial Issue

ROLE DE LA VISCOSITE DANS LA FORMATION DE VERRES BINAIRES B₂O₃-NA₂O PAR LA METHODE DE TREMPEOTA R; SOGA N.1981; ZAIRYO; ISSN 0514-5163; JPN; DA. 1981; VOL. 30; NO 333; PP. 600-606; ABS. ENG; BIBL. 21 REF.Article

TEMPERATURE AND PRESSURE DEPENDENCE OF THE ELASTIC PROPERTY OF GE S₂ GLASS.OTA R; KUNUGI M.1977; J. PHYS. CHEM. SOLIDS; G.B.; DA. 1977; VOL. 38; NO 1; PP. 9-13; BIBL. 30 REF.Article

VITESSES CRITIQUES DE REFROIDISSEMENT ET VISCOSITES DU LIQUIDUS POUR LA VITRIFICATION DANS LE SYSTEME B₂O₃-NA₂OOTA R; SOGA N.1982; J. CERAM. SOC. JPN.; ISSN 0009-0255; JPN; DA. 1982; VOL. 90; NO 1045; PP. 532-537; ABS. ENG; BIBL. 13 REF.Article

ELASTIC PROPERTIES OF GE-SE GLASS UNDER PRESSUREOTA R; YAMATE T; SOGA N et al.1978; J. NON CRYST. SOLIDS; NLD; DA. 1978; VOL. 29; NO 1; PP. 67-76; BIBL. 33 REF.Article

DATATION PAR LE RADIOCARBONE DES ROCHES DU VOLCAN DE KIRISHIMA, ET DES ROCHES QUATERNAIRES ASSOCIEES A L'ACTIVITE GEOTHERMIQUE AU JAPON IIIOTA R; KAMITANI M; NAKAGAWA S et al.1976; BULL. GEOL. SURV. JAP.; JAP.; DA. 1976; VOL. 27; NO 7; PP. 483-484; ABS. ANGL.; BIBL. 3 REF.; 3 ILL.; 4 ANAL.Article

SAR DATA PROCESSING ON DATA-FLOW IMAGE PROCESSING SYSTEM (NEDIPS)OTA R; KASHIHARA H; ITO N et al.1983; NEC RESEARCH & DEVELOPMENT; ISSN 0048-0436; JPN; DA. 1983; NO 68; PP. 61-66; BIBL. 3 REF.Article

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Structure and property of Na₂O-B₂O₃-GeO₂ glass based on Raman spectroscopy and chemical equilibrium conceptOTA, R; WAKASUGI, T; FUKUNAGA, J et al.Zairyo. 1997, Vol 46, Num 6, pp 678-683, issn 0514-5163Article

Crystallization behavior of non-alkali glasses in the SiO₂-CaO-Al₂O₃-ZnO-TiO₂-B₂O₃ systemOTA, R; KURIBAYASHI, H; FUKUNAGA, J et al.Journal of non-crystalline solids. 1992, Vol 144, Num 1, pp 81-88, issn 0022-3093Article

Variation des spectres RPE et Mossbauer au cours du traitement thermique du verre BaO-Fe₂O₃TANAKA, K; YOSHIMOTO, M; OTA, R et al.Zairyo. 1987, Vol 36, Num 400, pp 22-28, issn 0514-5163Article

Variation des zones de formation vitreuse avec la vitesse de refroidissement dans le système SiO₂-Li₂OOTA, R; KOZUKA, H; SOGA, N et al.Yogyo kyokaishi. 1984, Vol 92, Num 1, pp 10-14, issn 0009-0255Article

ESR and Mössbauer studies of crystallization process of iron phosphate glassTANAKA, K; SOGA, N; OTA, R et al.Bulletin of the Chemical Society of Japan. 1986, Vol 59, Num 4, pp 1079-1085, issn 0009-2673Article

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